MIC23158/9
3 MHz PWM Dual 2A Buck Regulator with HyperLight Load and Power Good
Features
• 2.
7V to 5.
5V Input
Voltage • Adjustable Output
Voltage (Down to 1.
0V) • Two Independent 2A Outputs • Up to 94% Peak Efficiency • 83% Typical Efficiency at 1 mA • Two Independent Power Good Indicators • Independent Programmable Soft-Start • 45 µA Typical Quiescent Current • 3 MHz PWM Operation in Continuous Conduction
Mode • Ultra-Fast Transient Response • Fully Integrated
MOSFET Switches • Output Pre-Bias Safe • 0.
1 µA Shutdown Current • Thermal-Shutdown and Current-Limit Protection • 20-Pin 3 mm x 4 mm QFN Package • Internal 225Ω Pull-Down Circuit on Output
(MIC23159) • –40°C to +125°C Junction Tempe...